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TI-2026-13489 Aliases CVE-2026-16119GHSA-jx43-52cp-c9vc

nextlevelbuilder GoClaw WebSocket Approval Endpoint exec_approval.go RequestApproval authorization

Priority MEDIUM 57CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.

Summary

A vulnerability was found in nextlevelbuilder GoClaw up to 3.13.2. This affects the function RequestApproval of the file internal/tools/exec_approval.go of the component WebSocket Approval Endpoint. Performing a manipulation results in incorrect authorization. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00398 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nextlevelbuilderGoClaw3.13.0; 3.13.1; 3.13.2—No fix listedCNA
  • GoClaw Vendornextlevelbuilder Affected 3.13.0; 3.13.1; 3.13.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:*——nextlevelbuilder
  • cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:* Versions — — ·nextlevelbuilder

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-16119
  2. 2026-10-03 Alias added: GHSA-jx43-52cp-c9vc

References

  • TI-2026-09124 nextlevelbuilder GoClaw Webhook Verification auth.go resolveAuth missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-08957 nextlevelbuilder GoClaw write_file Tool fsbridge.go FsBridge.WriteFile os command injection CVSS 4.0MEDIUM 6.9
  • TI-2026-14855 nextlevelbuilder GoClaw jq Handler tools_invoke.go ExecTool.Execute information disclosure CVSS 4.0MEDIUM 5.3
  • TI-2026-13540 nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-13494 nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2026-13493 nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization CVSS 4.0MEDIUM 5.3
See all 21 →

Sources